We study the speculative value of a finitely lived asset when investors disagree and short sales are limited. In this case, investors are willing to pay a speculative value for the resale option they obtain when they acquire the asset. Using martingale arguments, we characterize the equilibrium...

The death of an artist constitutes a negative shock to his future production; it permanently decreases the artist's float. We use this shock to test predictions of speculative trading models with short-selling constraints. Symmetrically to Hong et al. (2006), where an increase in float decreases...

We develop a model of asset price bubbles based on the communication process between advisors and investors. Advisors are well-intentioned and want to maximize the welfare of their advisees (like a parent treats a child). But only some advisors understand the new technology (the tech-savvies);...